Area Reduction (%)

Die Size (mm)

Copper

Stainless Steel

Bearing (%)

Al Alloy

Copper Plated Steel

5 ~ 8

0.01 ~ 0.049

11°

10°

45±10%

8 ~ 11

0.05 ~ 0.099

13°

11°

40±10%

11 ~ 16

0.10 ~ 0.499

15°

13°

35±10%

16 ~ 22

0.50 ~ 2.499

17°

15°

30±10%

22 ~ 35

2.50 ~ 8.00

19°

17°

25~40%